The first official crossover between "All Hallows Eve" and "The Life And Crimes Of Fraulein Efeu". An oil rig is plagued by a phantom submarine and only our beloved heroine can save the day. Unfortunately, the mistress of misery has her own plans...

1924. Eleanora Rosewood and her valet Sacha Valentin have come to Havana, Cuba, to investigate a ladies' finishing school with sinister ties to the wicked Dominion cabal. What terrible secret lurks among the flowers of Mrs Moore?
The Flowers of Mrs Moore is book two in the Valentin & The Widow novella series.

1924. Aristocrat Eleanora Rosewood is in Shanghai on a search for a doomsday machine created by her late husband. With the help of troubled Russian sailor Sacha Valentin she faces intrigue and danger, spies and assassins, and a formidable lady gangster as she attempts to save the city from destruction.
The Mandrake Machine is book one in the Valentin & The Widow novella series.